From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6275229A1; Tue, 17 Feb 2026 20:46:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771361169; cv=none; b=rPuKyEwWoVcBvT//QuOgQsdBmbBcSOiPpl7aLJeiHQ0gLqP0CC4eTRDuNsPJV1F3fRbIw5pEXlxljkFox+1IiC/5SkeyD8NvXEIpVj+3no0YZZVUD1rJAwUm09Jz3rDekdTwPgWONJYXseeBuAcTjsNgbOLRoXHImMXaLqL1Ziw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771361169; c=relaxed/simple; bh=iX2sOp89O9LdV0pGUPhv3uWQIYSrkQpAOKp79h9xZMk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=bbDfnN2bjPPiKyl0fJfS4HM+KmWEG2OGmMosX64ri9SLPd1U42uYaNFSoOXR+lFjwSfYGJVFNZRKeDIcUHasb1G/i5/ODb/AFBkMHJDTyZKWfu11/VDReTeX4yAYmqsa5ZrWwD0TlDZZxGGPsdmfH4J2z85qXOgK60aG2ON5YrU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Sz/xEOdK; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="Sz/xEOdK" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C32D5C4CEF7; Tue, 17 Feb 2026 20:46:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1771361169; bh=iX2sOp89O9LdV0pGUPhv3uWQIYSrkQpAOKp79h9xZMk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Sz/xEOdKETs/OZwcfgMEk+5DO+V23SfWKchPDbEWJM1VxmoQ8NH2C+WJKcwY4oZgr MO+fRUppUvHg13M8PwW1bNXZ2R9GpDWtnFU3t7rkhRdskMFSuznaUeH1VfkO/KCnAq 6v9lsXR++tIufzJdZ0YgnPOLMd0py/hyTdvIErH4= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Chelsy Ratnawat , Ioana Ciornei , Christophe Leroy , Sasha Levin Subject: [PATCH 6.1 21/64] bus: fsl-mc: Replace snprintf and sprintf with sysfs_emit in sysfs show functions Date: Tue, 17 Feb 2026 21:31:17 +0100 Message-ID: <20260217200008.312871858@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260217200007.505931165@linuxfoundation.org> References: <20260217200007.505931165@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Chelsy Ratnawat [ Upstream commit a50522c805a6c575c80f41b04706e084d814e116 ] Use sysfs_emit() instead of snprintf()/sprintf() when writing to sysfs buffers, as recommended by the kernel documentation. Signed-off-by: Chelsy Ratnawat Acked-by: Ioana Ciornei Link: https://lore.kernel.org/r/20250822124339.1739290-1-chelsyratnawat2001@gmail.com Signed-off-by: Christophe Leroy Stable-dep-of: 148891e95014 ("bus: fsl-mc: fix use-after-free in driver_override_show()") Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/bus/fsl-mc/fsl-mc-bus.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) --- a/drivers/bus/fsl-mc/fsl-mc-bus.c +++ b/drivers/bus/fsl-mc/fsl-mc-bus.c @@ -175,8 +175,8 @@ static ssize_t modalias_show(struct devi { struct fsl_mc_device *mc_dev = to_fsl_mc_device(dev); - return sprintf(buf, "fsl-mc:v%08Xd%s\n", mc_dev->obj_desc.vendor, - mc_dev->obj_desc.type); + return sysfs_emit(buf, "fsl-mc:v%08Xd%s\n", mc_dev->obj_desc.vendor, + mc_dev->obj_desc.type); } static DEVICE_ATTR_RO(modalias); @@ -202,7 +202,7 @@ static ssize_t driver_override_show(stru { struct fsl_mc_device *mc_dev = to_fsl_mc_device(dev); - return snprintf(buf, PAGE_SIZE, "%s\n", mc_dev->driver_override); + return sysfs_emit(buf, "%s\n", mc_dev->driver_override); } static DEVICE_ATTR_RW(driver_override);